Table 1 Mean (Mn) and standard deviation (s.d) for each dependant variable for each tissue type and region. EcF, extracellular; GM, grey matter; TSC, total sodium concentration. WM, white matter.

From: Distribution of brain sodium long and short relaxation times and concentrations: a multi-echo ultra-high field 23Na MRI study

  

T2*short (ms)

T2*long (ms)

NaSF (mM)

NaLF (mM)

TSC (mM)

EcF

GM

Mn

4.99

31.51

21.16

25.75

46.92

0.18

s.d

0.41

1.78

0.87

2.97

2.83

0.02

WM

Mn

4.44

38.25

22.28

15.87

38.15

0.11

s.d

0.34

2.45

0.97

1.49

1.97

0.01

Thalamus

Mn

3.70

40.13

24.28

16.02

40.30

0.11

s.d

0.41

7.50

1.66

2.85

2.33

0.02

Putamen

Mn

3.72

32.66

23.04

13.25

36.29

0.09

s.d

0.61

7.00

2.82

3.19

1.76

0.02

Pallidum

Mn

2.82

31.62

21.99

11.25

33.24

0.08

s.d

0.44

6.87

2.08

2.62

2.62

0.02

Caudate

Mn

4.00

34.79

19.26

17.80

37.06

0.13

s.d

0.61

6.37

2.10

2.95

2.09

0.02

Corpus Callosum

Mn

3.48

39.82

19.57

15.96

35.52

0.11

s.d

0.42

9.16

3.30

4.87

3.35

0.03

Cerebellar WM

Mn

3.57

35.51

16.29

12.31

28.60

0.09

s.d

0.81

7.26

2.34

2.35

2.88

0.02

Centrum Semiovale

Mn

4.37

54.74

23.93

8.46

32.39

0.06

s.d

0.43

14.98

2.83

1.68

2.74

0.01

Pons

Mn

2.43

31.52

13.19

11.99

25.18

0.09

s.d

0.58

11.45

3.68

3.53

3.17

0.03

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